/*
	0 Floor
	
	1 Left Door
	2 Top Door
	3 Right Door
	4 Bottom Door

	5	u wall    bad ascii art :)
	6	n wall
	7	] wall
	8	[ wall
	9 	L wall
	10	_l wall
	11 	r wall
	12	-| wall
	13	|| wall
	14	= wall
	
	15  # block
*/
